Department Of Transportation Uniform Tire Quality Grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

Fuel Economy
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How To Use This Manual
Consult the Table of Contents to determine which section contains the information you desire. Since the specification of your vehicle depends on the items of equipment ordered, certain descriptio ...

Towing Requirements
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